How Do I Block Layer-4 IP Addresses?

You can configure a precise protection rule to block layer-4 IP addresses. The procedure is as follows:

1. Log in to the Huawei Cloud WAF console and go to the Huawei Cloud WAF protection rule configuration page by referring to Figure 1.
   Figure 1 Protection rules
   

2. In the Precise Protection configuration box, click Add Rule and configure a rule as shown in Figure 2.
   Figure 2 Add Rule
   

3. Click Confirm.